ABCNews -- A growing population of giant snakes, which devour native species and spread disease, poses a threat to the Florida Everglades ecosystem and could move into other states, according to a new government report. Florida lawmakers are also concerned that the giant snakes, imported to the country as pets, settle in the state's urban areas, finding their way into backyards, traffic intersections and local businesses. A 9-foot python was found slithering around a Vero Beach neighborhood last week, for instance. Congress is considering a ban on the importing and selling of certain kinds of pythons commonly kept as pets and found to be reproducing in southern Florida. "These snakes are a threat to our children, our pets and our environment, and...